public function testGetModelRuntime()
 {
     $item = $this->prophesize('core_kernel_classes_Resource');
     $itemModel = $this->prophesize('core_kernel_classes_Resource');
     $itemModel->getOnePropertyValue(new core_kernel_classes_Property(TAO_ITEM_MODEL_RUNTIME_PROPERTY))->willReturn('returnValue');
     $item->getOnePropertyValue(new core_kernel_classes_Property(TAO_ITEM_MODEL_PROPERTY))->willReturn($itemModel->reveal());
     $this->assertEquals('returnValue', $this->itemsService->getModelRuntime($item->reveal()));
 }